<?php
$file = 'test.pdf';
$filename = 'test.pdf';
//$pdfUrl = 'https://analog-design.net/2024_PHP/2024_PHP_28_10_2024/explorer/aaa.pdf';
header('Content-type: application/pdf');
header('Content-Disposition: inline; filename="' . $filename . '"');
header('Content-Transfer-Encoding: binary');
header('Content-Length: ' . filesize($file));
header('Accept-Ranges: bytes');
@readfile($file);
?>